Well I am sorry I just saw this and I am hardly ever on this site so my apologies. To understand what you are asking. Let's start off by saying what is issue that you are having? I can tell you that the '08 BCM is a very flaky. So all I did was look for a VIN from a 2010 truck and I do have a GM MDI so I was able to re-program different VIN's into any of the modules on the truck to see what worked. I hope this answers your question.